update readme and virtualenv check

prompt user if virtualenv is already installed

README.md

 # Quick Config
-Quickly configures a fresh install of [Ubuntu 16.10 64-bit][yy] on a workstation.
+Quickly configures a fresh install of [Ubuntu 17.04 64-bit][zz] on a workstation.
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@@ -49,7 +49,7 @@ SEE: http://keegoid.mit-license.org
 [ubuntu]:   http://www.ubuntu.com/global
-[yy]:       https://wiki.ubuntu.com/YakketyYak/ReleaseNotes
+[zz]:       https://wiki.ubuntu.com/ZestyZapus/ReleaseNotes
 [code]:     https://code.visualstudio.com/
 [vim]:      http://www.vim.org/
 [gt]:       http://manpages.ubuntu.com/manpages/hardy/man1/gnome-terminal.1.html

script/pips.sh

@@ -173,6 +173,8 @@ qc_reset() {
 # --------------------------  INSTALL PROGRAMS
 lkm_confirm "Install PIP via Virtualenv?" true
+# check if virtualenv and pip are already installed
+[ -f ~/.virtualenv/bin/pip ] && lkm_confirm "Looks like Virtualenv and PIP are already installed. Proceed anyway?" true
 if [ $? -eq 0 ]; then
   qc_virtualenv
   echo "Close the terminal window and reopen to enable the new PIP with Virtualenv. Then rerun this script."